The UGREEN 55916 Wireless Vertical Mouse is designed for ergonomic comfort and long-session productivity. With its 57° vertical design that puts your hand in a natural “handshake” posture, it helps reduce wrist and forearm strain during extended computer use. It uses a 2.4 GHz wireless dongle connection for reliable performance up to ~10 m, and features four selectable DPI levels (1000 / 1600 / 2000 / 4000) so you can fine-tune cursor speed for different tasks or screens. Compatible with Windows, macOS, Chrome OS, Linux and more, this vertical mouse delivers comfort, precision and wireless freedom in one sleek package.
| Brand | UGREEN | 
| Model / SKU | 55916 (also referenced as M571 Wireless Vertical Mouse) | 
| Design / Angle | 57° vertical ergonomic design | 
| Connectivity | Wireless 2.4 GHz via USB nano-receiver (approx. 10 m range) | 
| Sensor / DPI levels | Adjustable DPI: 1000 / 1600 / 2000 / 4000 | 
| Wireless Range | Up to ~10 meters | 
| Buttons / Features | 6 buttons including forward/back side buttons; silent or reduced-click model variants noted | 
| Power / Battery | 1 × AA battery (not included) | 
| Dimensions / Weight | Approx. 119.8 × 85.8 × 73 mm, weight ~105 g | 
| Warranty Terms: | 6-months warranty provided by UGREEN MAURITIUS – 101 Multimedia. | 
| Brand | |
|---|---|
| Form Factor | Ergonomic  | 
| Mouse / Keyboard | Classic  | 
| Connectivity | Wireless – 2.4ghz  |